crappy

auth/telegram.py

@@ -0,0 +1,28 @@
+import hmac
+import hashlib
+import os
+
+import settings
+
+
+def _generate_hash(telegram_data: dict):
+    data = telegram_data.copy()
+    del data['hash']
+    keys = sorted(data.keys())
+    string_arr = []
+    for key in keys:
+        if data[key] is not None:
+            string_arr.append(key + '=' + str(data[key]))
+    string_cat = '\n'.join(string_arr)
+
+    secret_key = hashlib.sha256(settings.TELEGRAM_BOT_TOKEN.encode('utf-8')).digest()
+    hash_bytes = bytes(string_cat, 'utf-8')
+    hmac_hash = hmac.new(secret_key, hash_bytes, hashlib.sha256).hexdigest()
+    return hmac_hash
+
+
+def telegram_authorize(telegram_data: dict):
+    generated_hash = _generate_hash(telegram_data)
+    user_hash = telegram_data['hash']
+    return generated_hash == user_hash
+